* Major:
* Adjective: Describing something important or significant. Example: "This is a major problem."
* Noun: A person or thing that is important or significant. Example: "She's a major in the army."
* Verb: To specialize in a particular subject. Example: "I'm majoring in history."
* Expect:
* Verb: To anticipate or look forward to something. Example: "I expect to see you tomorrow."
Important Note: The part of speech depends on how the word is used in a sentence.